This is a pretty nice place for a short stay in Bangkok. It’s very close to Nana BTS station, and quite a few 7-11s & family marts nearby. There’s elevator available for luggages. Security guards at lobby, key card for main entry, and room’s keys make it generally speaking safe.
The house owner is very kind, response quickly, and always helpful.
On the down side, construction works from multi directions making it noisy (as of 2017 Nov), nearest one is just outside the window. Unless you never oversleep and return only when it’s dark, this might most certainly be annoying. (Not to mention if you have some work to do or need to do an internet meeting on Skype.)
Oh, speaking of internet, provided WiFi isn’t the greatest choice, transferring files (or phone’s auto backup) would... let’s say practice your patience. Web page, SNS, maps works okay though. Get a data SIM card like happy card, it’s cheap and useful anyways.
And if you plan to stay at this place for a bit longer, you might need to consider to contact owner for paid room cleaning service. I even found some small flies the last day for no cleaning.
Overall, this is a very good place (once the construction works are done, or trip daytime schedule fits) for staying in Bangkok, go sightseeing, experience local life, try all kinds of food just within a few minutes of walking.